STAAR review

Which of these is NOT an example of a bicycle using mechanical energy? 5.6A

• The pedals, gears and chain help turn the wheels
• The wheels turn when the bicycle moves
• The front wheel guides the bike when it moves
• The reflector allows the bike to be seen at night

Which of the following is a learned behavior? 5.10B

• Bees make return trips to drink sugar water from a bowl placed near their hive
• Bees have dark eyes and black and yellow stripes
• Bees produce honey from nectar they collect
• Bees will sting when threatened or disturbed

The lightbulb does not glow.  Which statement explains this observation? 5.6B

• The battery is not charged
• The lightbulb is not part of a complete circuit
• The circuit does not have a switch
• The bell uses most of the energy from the battery

Tags

NGSS.4-PS3-2

How do structures such as whiskers and antennae benefit an organism? 5.10A

• They help an organism detect their surroundings
• They help the organism eat quickly
• They help the organism fight predators
• none of these

A student looks into a mirror and sees an image of an object.  Which diagram shows an X where the object is located? 5.6C

• F
• G
• H
• J

Which characteristic does NOT describe both the Earth and the Moon?  5.8D

• Meteor craters can be found on the surface
• Water covers most of the surface
• Rocks and dust can be found on the surface
• The source of light is the su

Which statement best describes the relationship between humans and plants in the Oxygen-Carbon Dioxide cycle? 5.9D

• Humans and plants both depend on sunlight to produce their own food
• Humans depend on carbon dioxide released by plants and plants depend on oxygen from humans
• Humans and trees do not need oxygen or carbon dioxide
• Humans depend on Oxygen released by plants and plants depend on carbon dioxide from humans

The fish appears to be closer to the surface than it really is.  What causes this difference? 5.6C

• Light is reflected
• Light is refracted
• Light is focused
• Light is blocked

Look at the picture of a freshwater food web. Which organisms transfer the most energy within the food web? 5.9B

• Bass, because they are the predators
• Copepods, because they support two chains in the web
• Crayfish, because they are at the bottom of the food web
• Algae, because they are the producers in the web

How was this canyon most likely formed? 5.7B

• Floods eroded the sandstone away from the canyon walls
• Glaciers eroded the canyon as the ice melted
• Ice wedged into the cracks in the rock and weathered the walls
• Wind blew large rocks that smashed into the walls